不合法语句 self.contentView.frame.origin.x = x;
2015-08-19 20:56 dengchaojie_learner 阅读(388) 评论(0) 编辑 收藏 举报下面的写法是错误的:
CGFloat x = self.contentView.frame.origin.x;
x = _lastDownX + translation.x;
self.contentView.frame.origin.x = x;
正确的写法是:
CGRect frame = self.contentView.frame;
frame.origin.x = _lastDownX + translation.x;
self.contentView.frame = frame;